The independent source for health policy research, polling, and news.
KFF’s policy research provides facts and analysis on a wide range of policy issues and public programs.
KFF designs, conducts and analyzes original public opinion and survey research on Americans’ attitudes, knowledge, and experiences with the health care system to help amplify the public’s voice in major national debates.
KFF Health News is a national newsroom that produces in-depth journalism about health issues and is one of the organization’s core operating programs.
State Health Facts is a KFF project that provides free, up-to-date, and easy-to-use health data for all 50 states, the District of Columbia, and the United States. It offers data on specific types of health insurance coverage, including employer-sponsored, Medicaid, Medicare, as well as people who are uninsured by demographic characteristics, including age, race/ethnicity, work status, gender, and income. There are also data on health insurance status for a state's population overall and broken down by age, gender, and income.
KFF’s new interactive maps illustrate Medicaid enrollment by congressional district and eligibility group. In half of Republican congressional districts, at least 20% of residents are enrolled in Medicaid, and in half of Democratic districts, at least 25% are enrolled.
Enrollment in the Affordable Care Act (ACA) Marketplaces fell in 2026 for the first time in seven years, following the expiration of the enhanced premium tax credits at the end of 2025. Changes in enrollment, however, were not evenly distributed across the country. Marketplace enrollment changed substantially from one state to another, and even within states. This analysis estimates how Marketplace enrollment varies both within and across states using both publicly available data on federally…
This analysis presents findings from the 2026 KFF Women’s Health Survey on women's reported need for and use of fertility services.
This interactive tracks announced insurer exits from and entries into the ACA Marketplaces for 2027.
The 2025 reconciliation law makes sweeping changes to Medicaid that will affect every state through key eligibility and financing changes, including new work requirements, immigrant eligibility restrictions, and changes to provider taxes and state directed payments. This issue brief explains which states will be affected by each of these key provisions.
In a new column, President and CEO Dr. Drew Altman says health care costs are playing a significant role in the midterms as one dimension of voters’ concerns about cost of living, and explains why pollsters, analysts, and candidates should look at it that way, and not as a separate voting issue. He writes, “The ‘issue’ that matters most in this election is cost of living and the cost of health care is a central…
This chart pack summarizes KFF polling data on public opinion on Medicare-for-all and other national health plan proposals. The latest update finds that two-thirds of the public supports Medicare-for-all, while support changes drastically as respondents hear arguments from proponents and critics.
With the 2026 midterms about a month away, health care costs remain tied with gas as voters’ top midterm concerns and the Democrats hold a clear edge over the Republicans Party on who voters trust to handle many top electoral issues, including the cost of health care and the cost of living. Two-thirds of U.S. adults now favor Medicare-for-all, a new high in KFF Polling, but support shifts when competing claims from critics and proponents…
Community health centers served more than 32.7 million patients in medically underserved urban and rural areas in 2025. This brief reports on health center patients, services, and financing in 2025, using national data from the Uniform Data System (UDS).
This data note provides new information about waiting lists from KFF’s most recent survey of state Medicaid home care programs, including a discussion of why waiting lists are an incomplete measure of unmet need and why they are not necessarily comparable across states or over time, despite KFF’s efforts to obtain as consistent data as possible.
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